[pango] Ensure proper alignment of NullPool

[Behdad Esfahbod <behdad src gnome org>]

commit ab8d5f6df3171197a7d3913bdf2195bca90fe6de
Author: Behdad Esfahbod <behdad behdad org>
Date:   Mon Feb 22 16:03:15 2010 -0500

    Ensure proper alignment of NullPool
    
    Bug 593240 - (pangoosx) Crash / infinite loop with Mac OS X

 pango/opentype/hb-open-type-private.hh |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/pango/opentype/hb-open-type-private.hh b/pango/opentype/hb-open-type-private.hh
index 65e4950..f460f1a 100644
--- a/pango/opentype/hb-open-type-private.hh
+++ b/pango/opentype/hb-open-type-private.hh
@@ -61,7 +61,7 @@
 /* Null objects */
 
 /* Global nul-content Null pool.  Enlarge as necessary. */
-static const char NullPool[32] = "";
+static const void *NullPool[32 / sizeof (void *)];
 
 /* Generic template for nul-content sizeof-sized Null objects. */
 template <typename Type>